BSI BS EN 755-7 : English -- Aluminium and aluminium alloys - Extruded rod/bar, tube and profiles - Part 7: Seamless tubes, tolerances on dimensions and form
سازمان: BSI - British Standards Institution
کلید واژه: Dimensions , Form tolerances , Square shape , Straightness measurement , Tolerances of position
سال: 2008
زبان: English
قیمت: 55000 تومان
This document specifies the tolerances on dimensions and form for aluminium and aluminium alloy extruded seamless tubes with an outside diameter (OD) from 8 mm to 450 mm (round tube) or with a cross section contained within a circumscribing circle (CD) from 10 mm to 350 mm (other than round tube), supplied in straight lengths.
This standard only applies to tube produced by the seamless die/mandrel method of extrusion. This standard applies to extruded seamless tube for general engineering applications only.
The temper designations used in this part are according to EN 515.
This European Standard does not apply to:
— extruded tubes produced by porthole/bridge method (EN 755-8),
— tubes delivered in coils (prEN 13957),
— coiled tubes cut to length (prEN 13957).